sources say delta could be stepping in to buy, which would give delta access to virgin atlantic's hub at london's heathrow airport. due to heathrow's high volume of flights, many airlines are interested in acquiring space there. the bank at the center of the worldwide interest rate rigging scandal is in talks to reach a settlement. switerzland's largest bank, ubs, may wind up paying a record fine of more than $450 million for allegedly manipulating the libor. libor has to do with the interest rates banks charge each other for borrowing costs. regulators from around the globe are said to be questioning financial firms such as jpmorgan chase, citigroup and hsbc in connection with the libor rate fixing scandal. trying to limit damage from the phone hacking scandal that engulfed his news of the world paper, rupert murdoch is speeding through the split-up of his media empire. in june, murdoch announced that news corporation would split into two, separating publishing assets from the more lucrative film and television arm of the business. news corp. announced additional deatils of the split this week,